A halin yanzu, fenti masu alamar hanyar waje suna da tushen ruwa sosai kuma suna haɓaka cikin sauri. Fiye da kashi 90% na fenti na alamar hanya a ƙasashen da suka ci gaba kamar Amurka, Jamus, Spain, Sweden, da Finland suna amfani da samfuran ruwa. Saboda farkon farkon suturar alamar hanya ta ƙasashen waje da saurin haɓakar fasaha, ƙirar nanometer mai alamar hanya, kayan kwalliyar alamar hanya mai nau'i biyu, suturar alamar hanya mai launi, da sauransu sun bayyana.
Bayan 'yan watanni ko ma 'yan kwanaki bayan samarwa, za a sami manyan canje-canje a cikin danko, fata na fata, da dai sauransu, wanda zai haifar da rashin aikin spraying mara kyau na shafi da tasirin budewa mara kyau; lokacin da ba ya tsayawa ba zai iya cika ainihin buƙatun gine-ginen hanya kuma yana shafar ginin Santsin zirga-zirga a lokacin.
Yanzu haka akwai masana'antar fenti manya da kanana fiye da 100 a kasar Sin. Manyan masana'antu da yawa waɗanda ke da ƙarfin fasaha mai ƙarfi suma sun fara samar da fenti mai alamar ruwa. Domin tabbatar da ingancin fenti na alamar hanya, ma'aikatar sufuri ta tsara masana'antu masu dacewa. Ma'auni suna ƙwaƙƙwaran haɓaka kayan sanya alamar ruwa akan hanya. Binciken ƙwararrun ƙwararrun rufin bene: Tare da bunƙasa masana'antar sufurin tituna ta kasar Sin, da haɓakar ikon mallakar ababen hawa cikin sauri, buƙatun sanya suturar za ta ƙaru. Tare da karuwar wayar da kan jama'a game da kare muhalli da goyon bayan manufofi da ka'idoji na kasa, buƙatun alamar ruwa ta hanyar ruwa Adadin yana da yawa.
An yi amfani da kayayyakin fenti na hanyoyin ruwa na kasara wajen gina filayen jiragen sama, manyan tituna, da sauran ayyuka, wanda kuma ya fallasa wasu tarkacen fasaha. Matsalolin da ake fuskanta a halin yanzu na tushen ruwa mai nuna alamar alamar hanya sun haɗa da: rashin lalacewa da juriya na yanayi, kuma suna buƙatar sake dawowa a tazara 1a; ƙarancin juriya na ruwa da juriya na alkali, rashin iya biyan ainihin buƙatun jiƙan hanya a cikin ruwa; rashin juriya mara kyau, kuma saman alamar yana da sauƙin tara ƙura. Shafi madaidaicin juzu'i kuma rage tasirin nuni; rashin kwanciyar hankali ajiya.
